<nz-upload
nzType="drag"
[nzMultiple]="true"
[nzData]="params"
[nzAction]="uploadUrl"
>
<p class="ant-upload-drag-icon">
  <i nz-icon nzType="inbox"></i>
</p>
<p class="ant-upload-text">点击或拖动到此处上传</p>
<p class="ant-upload-hint">
  只支持单个上传
</p>
</nz-upload>
<div *nzModalFooter>
  <button nz-button (click)="confirm()"><i nz-icon nzType="check"></i>确认</button>
</div>
